Tue Jan 9 15:22:53 1996 David Mosberger-Tang <davidm@azstarnet.com>

	* coff-alpha.c (alpha_relocate_section): During final link, allow
 	output .lita section to be bigger than 64k by adjusting gp value
 	on a per-input section basis.
	* libecoff.h (struct ecoff_tdata): Add issued_multiple_gp_warning
	field.
	(struct ecoff_section_tdata): Add gp field.

Tue Jan  9 12:00:36 1996  Ian Lance Taylor  <ian@cygnus.com>

	Handle Alpha ECOFF changes in OSF/1 3.2.
	* libecoff.h (struct ecoff_backend_data): Add get_elt_at_filepos
	field.
	* coff-alpha.c: Include "aout/ar.h".
	(alpha_ecoff_get_relocated_section_contents): Don't require an
	ALPHA_R_IGNORE reloc after an ALPHA_R_GPDISP reloc, since OSF/1
	3.2 doesn't generate one.
	(alpha_relocate_section): Likewise.
	(alpha_ecoff_slurp_armap): Define.
	(alpha_ecoff_slurp_extended_name_table): Define.
	(alpha_ecoff_construct_extended_name_table): Define.
	(alpha_ecoff_truncate_arname): Define.
	(alpha_ecoff_write_armap): Define.
	(alpha_ecoff_generic_stat_arch_elt): Define.
	(alpha_ecoff_update_armap_timestamp): Define.
	(ARFZMAG): Define.
	(alpha_ecoff_read_ar_hdr): New static function.
	(alpha_ecoff_get_elt_at_filepos): New static function.
	(alpha_ecoff_openr_next_archived_file): New static function.
	(alpha_ecoff_get_elt_at_index): New static function.
	(alpha_ecoff_backend_data): Initialize get_elt_at_filepos field.
	(ecoffalpha_little_vec): Change BFD_JUMP_TABLE_ARCHIVE from
	_bfd_ecoff to alpha_ecoff.
	* ecoff.c (ecoff_link_add_archive_symbols): Use get_elt_at_filepos
	field from backend structure, rather than always calling
	_bfd_get_elt_at_filepos.
	* coff-mips.c (mips_ecoff_backend_data): Initialize
	get_elt_at_filepos field.
	* archive.c (_bfd_generic_read_ar_hdr_mag): New function, copied
	from _bfd_generic_read_ar_hdr with minor changes.
	(_bfd_generic_read_ar_hdr): Use _bfd_generic_read_ar_hdr_mag.
	* libbfd-in.h (_bfd_generic_read_ar_hdr_mag): Declare.
	* libbfd.h: Rebuild.

	* bfd-in.h (BFD_IN_MEMORY): Define.
	* libbfd-in.h (struct bfd_in_memory): Define.
	* libbfd.c (bfd_read): Handle BFD_IN_MEMORY flag.
	(bfd_get_file_window): Don't try to map a BFD_IN_MEMORY file.
	(bfd_write, bfd_stat): Abort if BFD_IN_MEMORY is set.
	(bfd_tell, bfd_flush, bfd_seek): Handle BFD_IN_MEMORY flag.
	* bfd.c (struct _bfd): Change iostream field from char * to PTR.
	(bfd_get_size): Handle BFD_IN_MEMORY flag.
	* cache.c (bfd_cache_close): Ignore BFD_IN_MEMORY files.
	(bfd_open_file): Cast to PTR, not char *, when setting iostream.
	(bfd_cache_lookup_worker): Abort if BFD_IN_MEMORY is set.
	* opncls.c (bfd_fdopenr): Cast to PTR, not char *, when setting
	iostream.
	(bfd_openstreamr): Likewise.
	* aoutx.h (NAME(aout,some_aout_object_p)): Only fstat iostream if
	BFD_IN_MEMORY is not set.
	* riscix.c (riscix_some_aout_object_p): Likewise.
	* bfd-in2.h, libbfd.h: Rebuild.

	* targets.c (bfd_target): Add _bfd_get_elt_at_index field.
	(BFD_JUMP_TABLE_ARCHIVE): Add _get_elt_at_index.
	(bfd_get_elt_at_index): Define.
	* archive.c (_bfd_generic_get_elt_at_index): Rename from
	bfd_get_elt_at_index.  Change index parameter from int to
	symindex.
	* libbfd-in.h (_bfd_generic_get_elt_at_index): Declare.
	(_bfd_noarchive_get_elt_at_index): Define.
	(_bfd_archive_bsd_get_elt_at_index): Define.
	(_bfd_archive_coff_get_elt_at_index): Define.
	* bfd-in2.h, libbfd.h: Rebuild.
	* aout-target.h (MY_get_elt_at_index): Define if not defined.
	* coff-rs6000.c (xcoff_get_elt_at_index): Define.
	* ieee.c (ieee_get_elt_at_index): Define.
	* libecoff.h (_bfd_ecoff_get_elt_at_index): Define.
	* oasys.c (oasys_get_elt_at_index): Define.
	* som.c (som_get_elt_at_index): Define.

1 files changed, 25 insertions, 10 deletions

diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index 4ff9c9d..d5821fc 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -235,6 +235,10 @@ typedef enum bfd_format {
    writing out an a.out object the symbols not be hashed to eliminate
    duplicates.  */
 #define BFD_TRADITIONAL_FORMAT 0x400
+
+/* This flag indicates that the BFD contents are actually cached in
+   memory.  If this is set, iostream points to a bfd_in_memory struct.  */
+#define BFD_IN_MEMORY 0x800
 
 /* symbols and relocation */
 
@@ -324,9 +328,10 @@ typedef struct _symbol_info
   symvalue value;
   char type;
   CONST char *name;            /* Symbol name.  */
-  char stab_other;             /* Unused. */
-  short stab_desc;             /* Info for N_TYPE.  */
-  CONST char *stab_name;
+  unsigned char stab_type;     /* Stab type.  */
+  char stab_other;             /* Stab other. */
+  short stab_desc;             /* Stab desc.  */
+  CONST char *stab_name;       /* String for stab type.  */
 } symbol_info;
 
 /* Hash table routines.  There is no way to free up a hash table.  */
@@ -464,6 +469,12 @@ extern int bfd_stat PARAMS ((bfd *abfd, struct stat *));
 #define bfd_get_format(abfd) ((abfd)->format)
 #define bfd_get_target(abfd) ((abfd)->xvec->name)
 #define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
+#define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
+#define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
+#define bfd_header_big_endian(abfd) \
+  ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
+#define bfd_header_little_endian(abfd) \
+  ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
 #define bfd_get_file_flags(abfd) ((abfd)->flags)
 #define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
 #define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
@@ -1814,8 +1825,10 @@ struct _bfd
        includes `<<bfd.h>>', IOSTREAM has been declared as a "char
        *", and MTIME as a "long".  Their correct types, to which they
        are cast when used, are "FILE *" and "time_t".    The iostream
-       is the result of an fopen on the filename. */
-    char *iostream;
+       is the result of an fopen on the filename.  However, if the
+       BFD_IN_MEMORY flag is set, then iostream is actually a pointer
+       to a bfd_in_memory struct.  */
+    PTR iostream;
 
      /* Is the file descriptor being cached?  That is, can it be closed as
        needed, and re-opened when accessed later?  */
@@ -2119,9 +2132,6 @@ boolean
 bfd_set_archive_head PARAMS ((bfd *output, bfd *new_head));
 
 bfd *
-bfd_get_elt_at_index PARAMS ((bfd *archive, int index));
-
-bfd *
 bfd_openr_next_archived_file PARAMS ((bfd *archive, bfd *previous));
 
 CONST char *
@@ -2172,6 +2182,8 @@ enum bfd_flavour {
   bfd_target_msdos_flavour
 };
 
+enum bfd_endian { BFD_ENDIAN_BIG, BFD_ENDIAN_LITTLE, BFD_ENDIAN_UNKNOWN };
+
  /* Forward declaration.  */
 typedef struct bfd_link_info _bfd_link_info;
 
@@ -2179,8 +2191,8 @@ typedef struct bfd_target
 {
   char *name;
   enum bfd_flavour flavour;
-  boolean byteorder_big_p;
-  boolean header_byteorder_big_p;
+  enum bfd_endian byteorder;
+  enum bfd_endian header_byteorder;
   flagword object_flags;       
   flagword section_flags;
   char symbol_leading_char;
@@ -2275,6 +2287,7 @@ CAT(NAME,_truncate_arname),\
 CAT(NAME,_write_armap),\
 CAT(NAME,_read_ar_hdr),\
 CAT(NAME,_openr_next_archived_file),\
+CAT(NAME,_get_elt_at_index),\
 CAT(NAME,_generic_stat_arch_elt),\
 CAT(NAME,_update_armap_timestamp)
   boolean  (*_bfd_slurp_armap) PARAMS ((bfd *));
@@ -2289,6 +2302,8 @@ CAT(NAME,_update_armap_timestamp)
                               int stridx));
   PTR (*_bfd_read_ar_hdr_fn) PARAMS ((bfd *));
   bfd *    (*openr_next_archived_file) PARAMS ((bfd *arch, bfd *prev));
+#define bfd_get_elt_at_index(b,i) BFD_SEND(b, _bfd_get_elt_at_index, (b,i))
+  bfd *    (*_bfd_get_elt_at_index) PARAMS ((bfd *, symindex));
   int      (*_bfd_stat_arch_elt) PARAMS ((bfd *, struct stat *));
   boolean  (*_bfd_update_armap_timestamp) PARAMS ((bfd *));